Merge "libbinder_ndk: clarify local AIBinder_linkToDeath"

 * null. The exact cookie must also be used to unlink this transaction (see AIBinder_linkToDeath).

 * This function may return a binder transaction failure. The cookie can be used both for

 * identification and holding user data.

 *

 * If binder is local, this will return STATUS_INVALID_OPERATION.

 */

binder_status_t AIBinder_linkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,

                                     void* cookie) __INTRODUCED_IN(29);